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fe68ec513d
Auto-configuration is the name of a new configuration target that is
supported by chzdev and lszdev besides the existing active and
persistent configuration targets. Directives created in this new
configuration are stored as udev rules in the /run/udev/rules.d
directory.
Auto-configuration directives are only in effect if there are no
directives for the same device in the user-provided persistent
configuration. This allows users to override auto-configuration
directives if necessary.
Due to the volatile nature of the /run directory, auto-configuration
directives are cleared on reboot. Therefore mechanisms that generate
auto-configuration directives must recreate them on every boot.
The lszdev tool displays auto-configuration data both in list view
as well as in detail view. Users can specify the new option --auto-conf
to only show data from this configuration target.
Mechanisms that generate automated configuration directives can use
chzdev together with the --auto-conf option to create the corresponding
udev rules.
Note: This change does not include a mechanism that generates
auto-configuration directives.
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
47 lines
2.2 KiB
Plaintext
47 lines
2.2 KiB
Plaintext
Usage: lszdev [TYPE] [DEVICE] [SELECTION] [ACTION] [OPTIONS]
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Use lszdev to view the configuration of z Systems specific devices in either:
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- active configuration (running system), or
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- persistent configuration (configuration files)
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Actions apply to both configurations unless specified otherwise.
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TYPE
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Device type to which this command applies. Use --list-types to display
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supported types.
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DEVICE
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ID Select single device by ID, e.g. 0.0.1234
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FROM-TO Select range of devices between FROM and TO
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DEV1,DEV2,... Select list of devices or device ranges
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SELECTION
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--all Select all existing and configured devices (default)
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--configured Select devices with a persistent configuration
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--existing Select devices found in the active configuration
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--online/--offline Select devices that are online/offline
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--failed Select devices that are not functioning correctly
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--by-path PATH Select device providing file system path, e.g. /usr
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--by-node NODE Select device providing device node, e.g. /dev/sda
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--by-interface NAME Select device providing network interface, e.g. eth0
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--by-attrib KEY=VALUE Select devices with specified attribute value
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ACTIONS
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-i, --info Display detailed information
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-l, --list-columns List available output columns
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-L, --list-types List supported device types
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-h, --help Print usage information, then exit
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-v, --version Print version information, then exit
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OPTIONS
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-a, --active Only show data from the active configuration
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-p, --persistent Only show data from the persistent configuration
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-t, --type List information about device type
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-c, --columns COLUMNS Specify comma-separated list of columns to display
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-n, --no-headings Do not print column headings
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--base PATH Use PATH as base for accessing files
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--pairs Produce output in KEY="VALUE" format
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--auto-conf Only show auto-configuration data
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-V, --verbose Print additional run-time information
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-q, --quiet Print only minimal run-time information
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